GRAPEVIEW SCHOOL
PWS ID: WA5329130 · Shelton, Washington 98584-5034
Population Served
257
Total Violations
38
Health-Based Violations
4
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 4
- County
- Mason
- School/Daycare
- Yes
- MCL Violations
- 4
- Monitoring Violations
- 34
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 9 | 1998 |
| Coliform (TCR) | MCL | 3 | 2004 |
| Nitrate | MR | 2 | 2016 |
| Pentachlorophenol | MR | 2 | 2008 |
| Dalapon | MR | 1 | 2008 |
| Picloram | MR | 1 | 2008 |
| Endrin | MR | 1 | 2008 |
| BHC-GAMMA | MR | 1 | 2008 |
| Toxaphene | MR | 1 | 2008 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2008 |
| Simazine | MR | 1 | 2008 |
| Hexachlorocyclopentadiene | MR | 1 | 2008 |
| Atrazine | MR | 1 | 2008 |
| LASSO | MR | 1 | 2008 |
| Chlordane | MR | 1 | 2008 |
| Revised Total Coliform Rule | MON | 1 | 2018 |
| Revised Total Coliform Rule | MCL | 1 | 2024 |
| Lead and Copper Rule | MR | 1 | 1997 |
| Dinoseb | MR | 1 | 2008 |
| HEXACHLOROBENZENE | MR | 1 | 2008 |
| Heptachlor | MR | 1 | 2008 |
| 2,4,5-TP | MR | 1 | 2008 |
| Heptachlor epoxide | MR | 1 | 2008 |
| Methoxychlor | MR | 1 | 2008 |
| Benzo(a)pyrene | MR | 1 | 2008 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.